def check_shares(data):
if not data:
return
paths = (share.get('path') for share in data)
paths = [path for path in paths if path is not None]
if len(paths) != len(set(paths)):
raise ex.InvalidDataException(
_('Multiple shares cannot be mounted to the same path.'))
for path in paths:
if not path.startswith('/') or '\x00' in path:
raise ex.InvalidDataException(
_('Paths must be absolute Linux paths starting with "/" '
'and may not contain nulls.'))
client = manila.client()
for share in data:
manila_share = manila.get_share(client, share['id'])
if not manila_share:
raise ex.InvalidReferenceException(
_("Requested share id %s does not exist.") % share['id'])
share_type = manila_share.share_proto
if share_type not in shares.SUPPORTED_SHARE_TYPES:
raise ex.InvalidReferenceException(
_("Requested share id %(id)s is of type %(type)s, which is "
"not supported by Sahara.") % {
"id": share['id'],
"type": share_type
})
def check_shares(data):
if not data:
return
paths = (share.get('path') for share in data)
paths = [path for path in paths if path is not None]
if len(paths) != len(set(paths)):
raise ex.InvalidDataException(
_('Multiple shares cannot be mounted to the same path.'))
for path in paths:
if not path.startswith('/') or '\x00' in path:
raise ex.InvalidDataException(
_('Paths must be absolute Linux paths starting with "/"'
'and may not contain nulls.'))
client = manila.client()
for share in data:
manila_share = manila.get_share(client, share['id'])
if not manila_share:
raise ex.InvalidReferenceException(
_("Requested share id %s does not exist.") % share['id'])
share_type = manila_share.share_proto
if share_type not in shares.SUPPORTED_SHARE_TYPES:
raise ex.InvalidReferenceException(
_("Requested share id %(id)s is of type %(type)s, which is "
"not supported by Sahara.")
% {"id": share['id'], "type": share_type})
def mount_shares(cluster):
"""Mounts all shares specified for the cluster and any of its node groups.
- In the event that a specific share is configured for both the cluster and
a specific node group, configuration at the node group level will be
ignored.
- In the event that utilities required to mount the share are not
already installed on the node, this method may fail if the node cannot
access the internet.
- This method will not remove already-mounted shares.
- This method will not remove or remount (or currently, reconfigure) shares
already mounted to the desired local mount point.
:param cluster: The cluster model.
"""
node_groups = (ng for ng in cluster.node_groups if ng.shares)
ng_mounts = [
_mount(ng, share_config) for ng in node_groups
for share_config in ng.shares
]
c_mounts = [
_mount(ng, share_config) for ng in cluster.node_groups
for share_config in cluster.shares or []
]
if not (ng_mounts or c_mounts):
return
ng_mounts_by_share_id = _group_mounts_by_share_id(ng_mounts)
c_mounts_by_share_id = _group_mounts_by_share_id(c_mounts)
all_share_ids = (set(ng_mounts_by_share_id.keys())
| set(c_mounts_by_share_id.keys()))
mounts_by_share_id = {
share_id: c_mounts_by_share_id.get(share_id)
or ng_mounts_by_share_id[share_id]
for share_id in all_share_ids
}
all_mounts = itertools.chain(*mounts_by_share_id.values())
mounts_by_ng_id = _group_mounts_by_ng_id(all_mounts)
client = manila.client()
handlers_by_share_id = {
id: _ShareHandler.create_from_id(id, client)
for id in all_share_ids
}
for mounts in mounts_by_ng_id.values():
node_group_shares = _NodeGroupShares(mounts[0].node_group)
for mount in mounts:
share_id = mount.share_config['id']
node_group_shares.add_share(mount.share_config,
handlers_by_share_id[share_id])
node_group_shares.mount_shares_to_node_group()
def unmount_shares(cluster, unmount_share_list):
"""Unmounts all shares in unmount_share_list on the given cluster
:param cluster: The cluster model.
:param unmount_share_list: list of shares to unmount
"""
client = manila.client()
unmount_share_ids = set(s["id"] for s in unmount_share_list)
handlers_by_share_id = {id: _ShareHandler.create_from_id(id, client) for id in unmount_share_ids}
for share in unmount_share_list:
for ng in cluster.node_groups:
for instance in ng.instances:
handlers_by_share_id[share["id"]].unmount_from_instance(instance.remote(), share)
def unmount_shares(cluster, unmount_share_list):
"""Unmounts all shares in unmount_share_list on the given cluster
:param cluster: The cluster model.
:param unmount_share_list: list of shares to unmount
"""
client = manila.client()
unmount_share_ids = (set(s['id'] for s in unmount_share_list))
handlers_by_share_id = {id: _ShareHandler.create_from_id(id, client)
for id in unmount_share_ids}
for share in unmount_share_list:
for ng in cluster.node_groups:
for instance in ng.instances:
handlers_by_share_id[share['id']].unmount_from_instance(
instance.remote(), share)
def mount_shares(cluster):
"""Mounts all shares specified for the cluster and any of its node groups.
- In the event that a specific share is configured for both the cluster and
a specific node group, configuration at the node group level will be
ignored.
- In the event that utilities required to mount the share are not
already installed on the node, this method may fail if the node cannot
access the internet.
- This method will not remove already-mounted shares.
- This method will not remove or remount (or currently, reconfigure) shares
already mounted to the desired local mount point.
:param cluster: The cluster model.
"""
node_groups = (ng for ng in cluster.node_groups if ng.shares)
ng_mounts = [_mount(ng, share_config) for ng in node_groups
for share_config in ng.shares]
c_mounts = [_mount(ng, share_config) for ng in cluster.node_groups
for share_config in cluster.shares or []]
if not (ng_mounts or c_mounts):
return
ng_mounts_by_share_id = _group_mounts_by_share_id(ng_mounts)
c_mounts_by_share_id = _group_mounts_by_share_id(c_mounts)
all_share_ids = (set(ng_mounts_by_share_id.keys()) |
set(c_mounts_by_share_id.keys()))
mounts_by_share_id = {
share_id: c_mounts_by_share_id.get(share_id) or
ng_mounts_by_share_id[share_id] for share_id in all_share_ids}
all_mounts = itertools.chain(*mounts_by_share_id.values())
mounts_by_ng_id = _group_mounts_by_ng_id(all_mounts)
client = manila.client()
handlers_by_share_id = {id: _ShareHandler.create_from_id(id, client)
for id in all_share_ids}
for mounts in mounts_by_ng_id.values():
node_group_shares = _NodeGroupShares(mounts[0].node_group)
for mount in mounts:
share_id = mount.share_config['id']
node_group_shares.add_share(mount.share_config,
handlers_by_share_id[share_id])
node_group_shares.mount_shares_to_node_group()
def default_mount(share_id):
client = manila.client()
return _ShareHandler.create_from_id(share_id, client)._default_mount()
def default_mount(share_id):
client = manila.client()
return _ShareHandler.create_from_id(share_id, client)._default_mount()
